Ground Clamp, Maximum Current 500 A, Compatible Cable Gauge (Maximum) 3/0 AWG, Compatible Cable Gauge (Minimum) 1/0 AWG, Maximum Jaw Opening 2 in, Throat Depth 2 in, Clamp Body Material Brass, Cable Connection Type Ball Point Screw, Clamp Connection Material Brass, Clamp Height 1 5/16 in, Clamp Type Ground Clamp, Compatible with Surface Type Flat, Flat Plates, Pipe, Round, Features High-Tensile Spring to Grip Tight, Non-Conductive Yes, Overall Height 1.3 in, Overall Length 10.1 in WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. -